si_0413 Nonhomologous_End-Joining_in_Bacteria Ku domain protein si_0413 Nonhomologous_End-Joining_in_Bacteria ATP-dependent DNA ligase (EC 6.5.1.1) clustered with Ku protein, LigD si_0413 Nonhomologous_End-Joining_in_Bacteria ATP-dependent DNA ligase (EC 6.5.1.1) LigC